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Pandas DataFrame.query()
For analyzing the data, we need a lot of filtering operations. Pandas provide a query() method to filter the DataFrame.
It offers a simple way of making the selection and also capable of simplifying the task of index-based selection.
Syntax
Parameters
- expr: Refers to an expression in string form to filter data.
- inplace: If the value is True, it makes the changes in the original DataFrame.
- kwargs: Refers to the other keyword arguments.
Return
It returns a DataFrame that results from the query expression.
Note: This method only works if the column name doesn’t have any empty spaces. You can replace the spaces in column names with ‘_’
Example1
Output
XYZ Z 011010
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